Family: Johannes Ludwig Dreyer / Mary A. Roth (F112971)
Georg Rudolph Dreyer (1855-1938) 
|
Theresia Kast (1857- )
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| Rudolf Anton Dreyer (1875- ) |
Julius Caesar Dreyer (1876-1932)  |
| Hermann Dreyer (1878-1965) |
| Wilhelm August Dreyer (1880-1953) |
| Karl Joseph Dreyer (1882-1965) |
| Rosalia Katharina Dreyer (1884- ) |
| Mary A. Roth (1887-1971) |
| Johannes Ludwig Dreyer (1885-1958)
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| George Julius Dreyer (1906-1970) |
| Louis Dreyer (1907-1978) |
| Baby Dreyer (1913-1913) |
| Oscar Dreyer (1917-2000) |